The use of computer graphics (1) many diverse fields. Applications (2) from the production of charts and graphs, to the generation of realistic images for television and motion pictures to the (3) design of mechanical parts.To encompass all these uses, we can adopt a simple definition:Computer graphics is concerned with all (4) of using a computer to generate images.We can classify applications of computer graphics into four main areas:Display of information, Design, (5) ,User interfaces.

A．scope

B．bound

C．range

D．area

女性，69岁，持续上腹部隐痛半年，多次便隐血阳性。查体：消瘦，轻度贫血貌，上腹部轻压痛，未触及包块。病人应行哪项检查以进一步明确诊断

A．上腹部CT检查

B．胃镜检查伴活检

C．促胃液素测定

D．胃酸检测

E．肠镜检查